\chapter{复数}

\section{复数的概念}

\input{units/ds2-ch5-1}
\input{units/ds2-ch5-2}
\input{units/ds2-ch5-3}
\input{units/ds2-xiti-12}

\vspace{2em}
\section{复数的运算}

\input{units/ds2-ch5-4}
\input{units/ds2-ch5-5}
\input{units/ds2-xiti-13}

\vspace{2em}
\section{复数的三角形式}

\input{units/ds2-ch5-6}
\input{units/ds2-ch5-7}
\input{units/ds2-xiti-14}
\input{units/ds2-ch5-8}

\vspace{2em}
\input{units/ds2-ch5-xiaojie}

\nonumsection{复习参考题五}
\input{units/ds2-ch5-fuxi-A.tex}
\input{units/ds2-ch5-fuxi-B.tex}

